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Implement even more vector instructions & add missing ones.

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Skyth
2024-09-16 16:03:23 +03:00
parent 3a887e6e2c
commit ee4cab12b8
4 changed files with 74 additions and 8 deletions
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21
PowerUtils/ppc_context.h
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@@ -346,3 +346,24 @@ inline __m128i _mm_adds_epu32(__m128i a, __m128i b)
{
return _mm_add_epi32(_mm_min_epu32(a, _mm_xor_si128(b, _mm_cmpeq_epi32(b, b))), b);
}
inline __m128i _mm_avg_epi8(__m128i a, __m128i b)
{
__m128i c = _mm_set1_epi8(char(128));
return _mm_add_epi8(c, _mm_avg_epu8(_mm_add_epi8(c, a), _mm_add_epi8(c, b)));
}
inline __m128i _mm_avg_epi16(__m128i a, __m128i b)
{
__m128i c = _mm_set1_epi16(short(32768));
return _mm_add_epi16(c, _mm_avg_epu16(_mm_add_epi16(c, a), _mm_add_epi16(c, b)));
}
inline __m128 _mm_cvtepu32_ps(__m128i v)
{
__m128i v2 = _mm_srli_epi32(v, 1);
__m128i v1 = _mm_sub_epi32(v, v2);
__m128 v2f = _mm_cvtepi32_ps(v2);
__m128 v1f = _mm_cvtepi32_ps(v1);
return _mm_add_ps(v2f, v1f);
}